Vulnerability Name:

CVE-2018-16477 (CCN-153531)

Assigned:2018-11-27
Published:2018-11-27
Updated:2019-10-09
Summary:A bypass vulnerability in Active Storage >= 5.2.0 for Google Cloud Storage and Disk services allow an attacker to modify the `content-disposition` and `content-type` parameters which can be used in with HTML files and have them executed inline. Additionally, if combined with other techniques such as cookie bombing and specially crafted AppCache manifests, an attacker can gain access to private signed URLs within a specific storage path. This vulnerability has been fixed in version 5.2.1.1.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): None
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2018-16477

Source: CCN
Type: Active Storage Web site
Active Storage

Source: XF
Type: UNKNOWN
active-storage-cve201816477-sec-bypass(153531)

Source: MISC
Type: Exploit, Mailing List, Mitigation, Third Party Advisory
https://groups.google.com/d/msg/rubyonrails-security/3KQRnXDIuLg/mByx5KkqBAAJ

Source: CCN
Type: oss-sec Mailing List, Tue, 27 Nov 2018 16:11:36 -0500
[CVE-2018-16477] Bypass vulnerability in Active Storage

Source: MISC
Type: Vendor Advisory
https://weblog.rubyonrails.org/2018/11/27/Rails-4-2-5-0-5-1-5-2-have-been-released/

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2018-16477

Vulnerable Configuration:Configuration 1:
  • cpe:/a:rubyonrails:rails:*:*:*:*:*:*:*:* (Version >= 5.2.0 and < 5.2.1.1)

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:113381
    P
    ruby2.7-rubygem-activestorage-5.2-5.2.6-1.2 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:113402
    P
    ruby2.7-rubygem-rails-5.2-5.2.6-1.2 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:106788
    P
    ruby2.7-rubygem-activestorage-5.2-5.2.6-1.2 on GA media (Moderate)
    2021-10-01
    oval:org.opensuse.security:def:106807
    P
    ruby2.7-rubygem-rails-5.2-5.2.6-1.2 on GA media (Moderate)
    2021-10-01
    oval:com.ubuntu.bionic:def:201816477000
    V
    CVE-2018-16477 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-11-30
    oval:com.ubuntu.cosmic:def:2018164770000000
    V
    CVE-2018-16477 on Ubuntu 18.10 (cosmic) - medium.
    2018-11-30
    oval:com.ubuntu.cosmic:def:201816477000
    V
    CVE-2018-16477 on Ubuntu 18.10 (cosmic) - medium.
    2018-11-30
    oval:com.ubuntu.bionic:def:2018164770000000
    V
    CVE-2018-16477 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-11-30
    oval:com.ubuntu.trusty:def:201816477000
    V
    CVE-2018-16477 on Ubuntu 14.04 LTS (trusty) - medium.
    2018-11-30
    oval:com.ubuntu.xenial:def:2018164770000000
    V
    CVE-2018-16477 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-11-30
    oval:com.ubuntu.xenial:def:201816477000
    V
    CVE-2018-16477 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-11-30
    BACK
    rubyonrails rails *